Cita APA (7th ed.)

Ethier, W. (1988). Modern international economics (2nd ed.). Norton.

Cita Chicago (17th ed.)

Ethier, Wilfred. Modern International Economics. 2nd ed. New York: Norton, 1988.

Cita MLA (8th ed.)

Ethier, Wilfred. Modern International Economics. 2nd ed. Norton, 1988.